Whooping cough Content / Whooping cough Content for UC Davis en County Health Agency, UC Davis Notify Campus of Whooping Cough Cases /news/county-health-agency-uc-davis-notify-campus-whooping-cough-cases <p><span>UC Davis is distributing the letter from the Yolo County Health and Human Services Agency, below, to share with the campus community that four cases of whooping cough have been identified in the last month among&nbsp;UC Davis’ roughly 40,000&nbsp;students.</span></p><p><span>Student Health and Counseling Services is working in coordination with the Yolo County Health and Human Services Agency, and contact tracing is being conducted to identify and notify those who have been in close contact with the infected persons.&nbsp;</span></p> May 16, 2025 - 11:00am Julia Ann Easley /news/county-health-agency-uc-davis-notify-campus-whooping-cough-cases